Home / 156,153.35-215,491.38-84,533.35

Finding the Fourth Proportional to 156,153.35, 215,491.38 and 84,533.35

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Solution

The fourth proportional to 156,153.35, 215,491.38 and 84,533.35 is: 116,655.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,153.35 : 215,491.38 = 84,533.35 : x
  2. Step 2: Convert to fraction form
    156,153.35/215,491.38 = 84,533.35/x
  3. Step 3: Cross multiply
    156,153.35x = 215,491.38 × 84,533.35
  4. Step 4: Simplify right side
    156,153.35x = 18,216,208,247.52
  5. Step 5: Solve for x
    x = 18,216,208,247.52/156,153.35
  6. Step 6: Final answer
    x = 116,655.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.